Home / 40,090.74-60,145.65-12,013.14

Finding the Fourth Proportional to 40,090.74, 60,145.65 and 12,013.14

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Solution

The fourth proportional to 40,090.74, 60,145.65 and 12,013.14 is: 18,022.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,090.74 : 60,145.65 = 12,013.14 : x
  2. Step 2: Convert to fraction form
    40,090.74/60,145.65 = 12,013.14/x
  3. Step 3: Cross multiply
    40,090.74x = 60,145.65 × 12,013.14
  4. Step 4: Simplify right side
    40,090.74x = 722,538,113.84
  5. Step 5: Solve for x
    x = 722,538,113.84/40,090.74
  6. Step 6: Final answer
    x = 18,022.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.